Appealing to audience-obsessed advertisers, Facebook just expanded its ability to target users based on their demographic traits, geography, and purchase history.

Audience Insights “surfaces aggregated information people already express on Facebook, along with information from trusted third-party partners — like Acxiom — through our partner categories targeting,” the blog post explained. “Like Page Insights, Audience Insights shows information about groups of people without the need to share which individual people are in those groups.”